Alex Lorenz f654cdae59 MIR Serialization: Introduce a lexer for machine instructions.
This commit adds a function that tokenizes the string containing
the machine instruction. This commit also adds a struct called 
'MIToken' which is used to represent the lexer's tokens.

Reviewers: Sean Silva

Differential Revision: http://reviews.llvm.org/D10521


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240323 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-22 20:37:46 +00:00
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